DK0719975T3 - Indretning til støjdæmpning ved en kanalende - Google Patents

Indretning til støjdæmpning ved en kanalende

Info

Publication number
DK0719975T3
DK0719975T3 DK95119761T DK95119761T DK0719975T3 DK 0719975 T3 DK0719975 T3 DK 0719975T3 DK 95119761 T DK95119761 T DK 95119761T DK 95119761 T DK95119761 T DK 95119761T DK 0719975 T3 DK0719975 T3 DK 0719975T3
Authority
DK
Denmark
Prior art keywords
wall
cover cap
noise reduction
duct end
gas
Prior art date
Application number
DK95119761T
Other languages
English (en)
Inventor
Andreas Fischer
Werner Dipl-Ing Strassen
Erwin Brauer
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of DK0719975T3 publication Critical patent/DK0719975T3/da

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pipe Accessories (AREA)
  • Exhaust Silencers (AREA)
  • Electric Cable Installation (AREA)
  • Heat Treatment Of Articles (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Duct Arrangements (AREA)
DK95119761T 1994-12-27 1995-12-14 Indretning til støjdæmpning ved en kanalende DK0719975T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4446872A DE4446872A1 (de) 1994-12-27 1994-12-27 Vorrichtung zur Schalldämmung am Ende von Rohrleitungen

Publications (1)

Publication Number Publication Date
DK0719975T3 true DK0719975T3 (da) 2002-07-01

Family

ID=6537304

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95119761T DK0719975T3 (da) 1994-12-27 1995-12-14 Indretning til støjdæmpning ved en kanalende

Country Status (5)

Country Link
EP (1) EP0719975B1 (da)
AT (1) ATE215198T1 (da)
DE (2) DE4446872A1 (da)
DK (1) DK0719975T3 (da)
ES (1) ES2174893T3 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5929396A (en) * 1997-07-29 1999-07-27 Awad; Elias A. Noise reducing diffuser
FR2785360A1 (fr) * 1998-11-03 2000-05-05 Decibel France Sa Dispositif permettant de reduire la production sonore liee a l'ecoulement d'un fluide par fractionnement du flux a l'aide de diffuseurs a perforations multiples
GB2364352A (en) * 2000-07-03 2002-01-23 Draftex Ind Ltd Noise reduction in air conduits; making perforated conduits
US8006489B2 (en) 2006-09-07 2011-08-30 Volvo Group North America, Llc Exhaust diffuser for a vocational truck

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2043030A (en) 1935-04-02 1936-06-02 Maxim Silencer Co Sound attenuating device
US2075265A (en) 1935-08-09 1937-03-30 Maxim Silencer Co Sound attenuating device
DE763253C (de) * 1939-05-28 1953-01-05 Forschungsanstalt Prof Junkers Schalldaempfer fuer aus einer Leitung mit wechselnder Geschwindigkeit austretende Flude
US3208551A (en) * 1963-11-18 1965-09-28 Carls William Combined air muffler and metering valve with replaceable cartridge
DE2403298A1 (de) * 1974-01-24 1975-07-31 Deutsche Edelstahlwerke Ag Schalldaempfer in pneumatischen anlagen
DE3807128A1 (de) * 1988-03-04 1989-09-14 Fraunhofer Ges Forschung Schalldaempfendes wandelement
DE4210786C2 (de) * 1992-04-01 1994-11-10 Bayer Ag Schalldämpfender Resonator für Rohrleitungen
DE4243280C2 (de) * 1992-12-21 1996-03-28 Bayer Ag Vorrichtung zur Schalldämpfung an Rohrleitungen

Also Published As

Publication number Publication date
ATE215198T1 (de) 2002-04-15
ES2174893T3 (es) 2002-11-16
EP0719975B1 (de) 2002-03-27
DE59510126D1 (de) 2002-05-02
DE4446872A1 (de) 1996-07-04
EP0719975A1 (de) 1996-07-03

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